as in deceit
the tendency to tell lies
her memoirs have such an air of pervasive mendaciousness that she seems to have lost all sense of what truth is
Synonyms & Similar Words
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Example Sentences
Recent Examples of Synonyms for mendaciousness
Noun
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There's everything from resentment to jealousy, favouritism, and deceit swirling around in a boiling-hot cauldron where fair is foul and foul is fair.—
Sergio Pereira,
Space.com,
6 May 2026 -
There was no attorney named Susan Millan associated with Catholic Charities, and the deceit was just one example of hundreds that the group has become aware of when desperate immigrants eventually reach the real organization.—
Naisha Roy,
ProPublica,
29 Apr. 2026
Noun
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Antisocial personality includes a persistent pattern of traits such as callousness, lack of concern, deceitfulness, and irresponsibility, Ryan said.—
Harriet Ramos,
Fort Worth Star-Telegram,
29 Apr. 2026
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Perfidy — from the French perfidie via the Latin perfidia — means deceitfulness, treachery or a breach of faith or promise.—
Harmeet Kaur,
CNN Money,
21 Jan. 2026
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“Mendaciousness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mendaciousness. Accessed 10 May. 2026.
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